100 pcs 1.8mm Silicon Nitride Ceramic Ball G5 Class
USD 14.10 USD
Specifications
| Brand | Unbranded |
At 800 ℃, the strength and hardness remain almost unchanged, with a density of 3.20g/cm3, which is almost 1/3 of the weight of bearing steel. When rotating, the centrifugal force is small, and high-speed operation can be achieved.